CVSS 3.0
6.4 mediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:NCVE-2017-7549
A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.
Severity
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-377, CWE-59
- Published
- Modified
- Record from
- the NVD, synced
Affected
- openstack:instack-undercloud
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-53wm-97p6-582f | PyPI | instack-undercloud | <=7.2.0 | no fix published |
| PYSEC-2017-152 | PyPI | instack | <=7.2.0 <=6.1.0 <=5.3.0 | no fix published |
| PYSEC-2026-645 | PyPI | instack-undercloud | <=7.2.0 | no fix published |